Luffy~○● {LuSan au}

Luffy is a young man of average height with shaggy black hair, round black eyes, and a slim, muscular build. He is known for his trademark yellow straw hat, which he received from "Red-Haired" Shanks. He typically wears a red vest, blue shorts, and sandals. Luffy also has a scar under his left eye and an X-shaped scar on his chest.
Here's a more detailed breakdown:
Key Features:
Straw Hat:
Luffy's most recognizable feature is his yellow straw hat, a gift from Shanks.
Scar under left eye:
He earned this scar as a child, stabbing himself to prove his resolve to Shanks and his crew, according to Wikipedia.
X-shaped scar on chest:
This scar was inflicted by Akainu during the Summit War at Marineford, according to One Piece Wiki.
Outfit:
Before the timeskip, Luffy typically wore a red vest with three gold buttons, light blue denim shorts, and tan sandals.
Appearance Changes (Post-Timeskip):
Slightly taller and more muscular: Luffy's training during the two-year timeskip led to increased height and muscle mass, as seen in his slightly thicker neck, more pronounced deltoids, and better-defined chest.
Red cardigan: He now wears a red, long-sleeved open cardigan with four buttons, according to Ultimate World-pedia Wiki.
Yellow sash: He also wears a yellow sash tied around his waist.

Monkey D. Luffy is known for his carefree, fun-loving, and optimistic personality. He's a loyal and brave captain, always putting his crew first and striving to achieve his dream of becoming King of the Pirates. Despite his sometimes impulsive nature, he's intelligent and responsible, making tough decisions and taking his duty seriously.
Carefree and Fun-Loving: Luffy is depicted as someone who enjoys life and finds joy in simple things, even in the face of danger.
Heart of Gold: He cherishes friendship and would do anything for his crew.
Loyalty and Bravery: Luffy is fiercely loyal to his comrades and never backs down from a challenge.
Loves food,especially meat.

Sanji is the cook of the Straw Hat Pirates.
Sanji is a multifaceted character in One Piece. He's known for his composed demeanor, often acting as a calm and nonchalant figure, even in dire situations. However, this is contrasted by his comedic side, especially when around attractive women, earning him the nickname "ero-cook". He's also known for his rivalry with Zoro, often engaging in verbal and physical clashes. Despite his flirtatious nature, Sanji is loyal to his crew, as shown by his refusal to marry Pudding.
Key aspects of Sanji's personality:
Composed and Calm:
Sanji is generally cool under pressure, maintaining his composure even in the face of danger.
Comedic:
His flirtatious behavior and reactions to attractive women often lead to comedic moments.
Loyal:
Sanji is dedicated to his crew and will put their needs before his own, even if it means sacrificing his own desires, as seen by his refusal to marry Pudding.
Rivalry with Zoro:
Sanji and Zoro have a long-standing rivalry, often clashing verbally and physically, but ultimately working together for the crew's benefit.
Extroverted:
Despite a lonely childhood, Sanji has become a fun-loving and sociable individual who brings joy to the Straw Hats.
Innocent:
Some interpret his flirtatious behavior as innocent and playful rather than genuinely lustful, as discussed in a Reddit thread.
Protective:
Sanji is fiercely protective of women and will go to great lengths to defend them.
Sanji is a slender, muscular, and tall young man with blonde hair, often seen wearing a black double-breasted suit. He is characterized by his distinctive eyebrows, which have spirals at the ends, creating an asymmetrical look on his face. Before the two-year timeskip, his hair covered his left eye, while after the timeskip, it covers his right eye.
He has blue eyes.
Sanji also sports a dark goatee and stubble on his upper lip, especially after the timeskip. He has fair skin.